/* * A collection of structures, addresses, and values associated with * the Motorola 860 ADS board. Copied from the MBX stuff. * Magnus Damm added defines for 8xxrom and extended bd_info. * Helmut Buchsbaum added bitvalues for BCSRx * * Copyright (c) 1998 Dan Malek (dmalek@jlc.net) */ /* ------------------------------------------------------------------------- */ #ifndef _CONFIG_ADS860_H #define _CONFIG_ADS860_H /* * High Level Configuration Options * (easy to change) */ /* Board type */ #define CONFIG_ADS 1 /* Old Motorola MPC821/860ADS */ /* Processor type */ #define CONFIG_MPC860 1 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 38400 /* Console baudrate */ /* CFG_8XX_FACT * CFG_8XX_XIN = 50 MHz */ #if 0 #define CFG_8XX_XIN 32768 /* 32.768 kHz input frequency */ #define CFG_8XX_FACT 0x5F6 /* Multiply by 1526 */ #else #define CFG_8XX_XIN 4000000 /* 4 MHz input frequency */ #define CFG_8XX_FACT 12 /* Multiply by 12 */ #endif #define CONFIG_8xx_GCLK_FREQ ((CFG_8XX_XIN) * (CFG_8XX_FACT)) #define CONFIG_DRAM_50MHZ 1 #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #undef CONFIG_BOOTARGS #define CONFIG_BOOTCOMMAND \ "dhcp;" \ "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ "bootm" #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | CFG_CMD_DHCP \ | CFG_CMD_IMMAP \ | CFG_CMD_PCMCIA \ | CFG_CMD_PING \ ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> /* * Miscellaneous configurable options */ #undef CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=>" /* Monitor Command Prompt */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ #define CFG_MAXARGS 16 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_MEMTEST_START 0x00100000 /* memtest works on */ #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15 MB in DRAM */ #define CFG_LOAD_ADDR 0x00100000 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* * Low Level Configuration Settings * (address mappings, register initial values, etc.) * You should know what you are doing if you make changes here. */ /*----------------------------------------------------------------------- * Internal Memory Mapped Register */ #define CFG_IMMR 0xFF000000 #define CFG_IMMR_SIZE ((uint)(64 * 1024)) /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CFG_SDRAM_BASE _must_ start at 0 */ #define CFG_SDRAM_BASE 0x00000000 /* * For booting Linux, the board info and command line data * have to be in the first 8 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization. */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization */ #define CFG_FLASH_BASE TEXT_BASE #define CFG_FLASH_SIZE ((uint)(8 * 1024 * 1024)) /* max 8Mbyte */ #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CFG_MAX_FLASH_SECT 16 /* max number of sectors on one chip */ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ #undef CFG_ENV_IS_IN_NVRAM #undef CFG_ENV_IS_IN_EEPROM #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_SECT_SIZE 0x40000 /* see README - env sector total size */ #define CFG_ENV_OFFSET CFG_ENV_SECT_SIZE #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment */ #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN (256 << 10) /* Reserve one flash sector (256 KB) for monitor */ #define CFG_MALLOC_LEN (384 << 10) /* Reserve 384 kB for malloc() */ /* the other CS:s are determined by looking at parameters in BCSRx */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ #endif /*----------------------------------------------------------------------- * I2C configuration */ #if (CONFIG_COMMANDS & CFG_CMD_I2C) #define CONFIG_HARD_I2C 1 /* I2C with hardware support */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address defaults */ #define CFG_I2C_SLAVE 0x7F #endif /*----------------------------------------------------------------------- * SYPCR - System Protection Control 11-9 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze */ #if defined(CONFIG_WATCHDOG) #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP) #else #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) #endif /*----------------------------------------------------------------------- * SUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- * Clear Reference Interrupt Status, Timebase freezing enabled */ #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) /*----------------------------------------------------------------------- * PISCR - Periodic Interrupt Status and Control 11-31 *----------------------------------------------------------------------- * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled */ #define CFG_PISCR (PISCR_PS | PISCR_PITF) /*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 *----------------------------------------------------------------------- * set the PLL, the low-power modes and the reset control (15-29) */ #define CFG_PLPRCR (((CFG_8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) /*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register 15-27 *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */ #define SCCR_MASK SCCR_EBDF11 #define CFG_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ SCCR_DFLCD000 | SCCR_DFALCD00) /*----------------------------------------------------------------------- * *----------------------------------------------------------------------- * */ #define CFG_DER 0 /* Because of the way the 860 starts up and assigns CS0 the * entire address space, we have to set the memory controller * differently. Normally, you write the option register * first, and then enable the chip select by writing the * base register. For CS0, you must write the base register * first, followed by the option register. */ /* * Init Memory Controller: * * BR0 and OR0 (FLASH) * BR1 and OR1 (BCSR) */ /* the other CS:s are determined by looking at parameters in BCSRx */ #define BCSR_ADDR ((uint) 0xff010000) #define CFG_PRELIM_OR_AM 0xff800000 /* OR addr mask */ /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */ #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) /* 8 Mbyte until detected */ #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_V) /* BCSRx - Board Control and Status Registers */ #define CFG_OR1_PRELIM 0xffff8110 /* 64Kbyte address space */ #define CFG_BR1_PRELIM ((BCSR_ADDR) | BR_V ) /* * Memory Periodic Timer Prescaler */ /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ /* values according to the manual */ #define BCSR0 (BCSR_ADDR + 0x00) #define BCSR1 (BCSR_ADDR + 0x04) #define BCSR2 (BCSR_ADDR + 0x08) #define BCSR3 (BCSR_ADDR + 0x0c) /*----------------------------------------------------------------------- * PCMCIA stuff *----------------------------------------------------------------------- * */ #ifdef CONFIG_MPC860 #define PCMCIA_SLOT_A 1 #endif #define CFG_PCMCIA_MEM_ADDR (0xE0000000) #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) #define CFG_PCMCIA_DMA_ADDR (0xE4000000) #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) #define CFG_PCMCIA_IO_ADDR (0xEC000000) #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) /*----------------------------------------------------------------------- * IDE/ATA stuff *----------------------------------------------------------------------- */ #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */ #undef CONFIG_IDE_LED /* LED for ide supported */ #define CONFIG_IDE_RESET 1 /* reset for ide supported */ #define CFG_IDE_MAXBUS 1 /* max. 2 IDE busses */ #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */ #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */ #define CFG_PC_IDE_RESET ((ushort)0x0008) /* PC 12 */ #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR #define CFG_ATA_IDE0_OFFSET 0x0000 #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */ #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */ #define CONFIG_DISK_SPINUP_TIME 1000000 #undef CONFIG_DISK_SPINUP_TIME /* usin� Compact Flash */ /* (F)ADS bitvalues by Helmut Buchsbaum * see MPC8xxADS User's Manual for a proper description * of the following structures */ #define BCSR0_ERB ((uint)0x80000000) #define BCSR0_IP ((uint)0x40000000) #define BCSR0_BDIS ((uint)0x10000000) #define BCSR0_BPS_MASK ((uint)0x0C000000) #define BCSR0_ISB_MASK ((uint)0x01800000) #define BCSR0_DBGC_MASK ((uint)0x00600000) #define BCSR0_DBPC_MASK ((uint)0x00180000) #define BCSR0_EBDF_MASK ((uint)0x00060000) #define BCSR1_FLASH_EN ((uint)0x80000000) #define BCSR1_DRAM_EN ((uint)0x40000000) #define BCSR1_ETHEN ((uint)0x20000000) #define BCSR1_IRDEN ((uint)0x10000000) #define BCSR1_FLASH_CFG_EN ((uint)0x08000000) #define BCSR1_CNT_REG_EN_PROTECT ((uint)0x04000000) #define BCSR1_BCSR_EN ((uint)0x02000000) #define BCSR1_RS232EN_1 ((uint)0x01000000) #define BCSR1_PCCEN ((uint)0x00800000) #define BCSR1_PCCVCC0 ((uint)0x00400000) #define BCSR1_PCCVCCON BCSR1_PCCVCC0 #define BCSR1_PCCVPP_MASK ((uint)0x00300000) #define BCSR1_DRAM_HALF_WORD ((uint)0x00080000) #define BCSR1_RS232EN_2 ((uint)0x00040000) #define BCSR1_SDRAM_EN ((uint)0x00020000) #define BCSR1_PCCVCC1 ((uint)0x00010000) #define BCSR2_FLASH_PD_MASK ((uint)0xF0000000) #define BCSR2_DRAM_PD_MASK ((uint)0x07800000) #define BCSR2_DRAM_PD_SHIFT (23) #define BCSR2_EXTTOLI_MASK ((uint)0x00780000) #define BCSR2_DBREVNR_MASK ((uint)0x00030000) #define BCSR3_DBID_MASK ((ushort)0x3800) #define BCSR3_CNT_REG_EN_PROTECT ((ushort)0x0400) #define BCSR3_BREVNR0 ((ushort)0x0080) #define BCSR3_FLASH_PD_MASK ((ushort)0x0070) #define BCSR3_BREVN1 ((ushort)0x0008) #define BCSR3_BREVN2_MASK ((ushort)0x0003) /* We don't use the 8259. */ #define NR_8259_INTS 0 /* Machine type */ #define _MACH_8xx (_MACH_ads) #endif /* _CONFIG_ADS860_H */